Characterization of a lateritic geomaterial and its elaboration through a chemical route
The development of a laterite-based geomaterial, mimicking naturally occurring concretions in lateritic soils, through a chemical route has been investigated in this paper. The elaboration process involves an acidic dissolution reaction of iron compounds followed by a neutralization reaction with a...
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| Veröffentlicht in: | Construction & building materials 2009-02, Vol.23 (2), p.1126-1132 |
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| container_title | Construction & building materials |
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| creator | Lecomte-nana, G.L. Lesueur, E. Bonnet, J.P. Lecomte, G. |
| description | The development of a laterite-based geomaterial, mimicking naturally occurring concretions in lateritic soils, through a chemical route has been investigated in this paper. The elaboration process involves an acidic dissolution reaction of iron compounds followed by a neutralization reaction with a strong base. The first step needs a 24
h reacting time before adding the base. Afterwards, the consolidation that involves an iron-bonding of the particles, is performed at 60
°C for 18 days under water-saturated atmosphere. The products elaborated using nitric acid and calcium hydroxide exhibit the best characteristic compressive strength, namely 20
MPa and a good resistance towards water seeping and wearing. Nevertheless, the use of fulvic acid, an organic ecological acid, leads to a water-resistant geomaterial with a good characteristic compressive strength of 12
MPa, thus competitive towards usual stabilized earth and concrete building materials. |
| doi_str_mv | 10.1016/j.conbuildmat.2008.06.009 |
| format | Article |
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h reacting time before adding the base. Afterwards, the consolidation that involves an iron-bonding of the particles, is performed at 60
°C for 18 days under water-saturated atmosphere. The products elaborated using nitric acid and calcium hydroxide exhibit the best characteristic compressive strength, namely 20
MPa and a good resistance towards water seeping and wearing. Nevertheless, the use of fulvic acid, an organic ecological acid, leads to a water-resistant geomaterial with a good characteristic compressive strength of 12
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h reacting time before adding the base. Afterwards, the consolidation that involves an iron-bonding of the particles, is performed at 60
°C for 18 days under water-saturated atmosphere. The products elaborated using nitric acid and calcium hydroxide exhibit the best characteristic compressive strength, namely 20
MPa and a good resistance towards water seeping and wearing. Nevertheless, the use of fulvic acid, an organic ecological acid, leads to a water-resistant geomaterial with a good characteristic compressive strength of 12
MPa, thus competitive towards usual stabilized earth and concrete building materials.</description><subject>Acid-base chemistry</subject><subject>Acid–base reaction</subject><subject>Chemical properties</subject><subject>Engineering Sciences</subject><subject>Fulvic acid</subject><subject>Geomaterial</subject><subject>Iron-binding</subject><subject>Laterite</subject><subject>Laterites</subject><subject>Lateritic clays</subject><subject>Materials</subject><issn>0950-0618</issn><issn>1879-0526</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><sourceid>N95</sourceid><recordid>eNqNkk1r3DAQhkVpods0_8G9FAq1O_KH1j4uS9MEFnpJIDcxlse2FtlKJTnQ_PrKdSkp5FAE0szL8w7MaBj7wCHjwMWXc6bs3C7adBOGLAeoMxAZQPOK7Xi9b1KocvGa7aCpIAXB67fsnfdnABC5yHfs_jiiQxXI6ScM2s6J7RNMDK5K0CoZyE6_EzQJzl2ig0_IYGvdhofR2WUYo0eNNGkVsSgEes_e9Gg8Xf55L9jd1dfb43V6-v7t5ng4paoCCGled13ZCWwbXvWiFLwtq32r2qpoVU1IMS72mOeY877vclAiZlVBJYpWEZXFBfu01R3RyAenJ3Q_pUUtrw8nuWqx0wKqqnzkkf24sQ_O_ljIBzlpr8gYnMkuXhYFh5o3EMF0Awc0JPXc2xCHNNBMDo2dqddRPvAmsqIsmshnL_DxdOtIXjR8fmZoF69n8vHyehiDH3Dx_l-82XDlrPeO-r-dcpDrHsizfLYHct0DCSL2vnqPm5fiLzxqctIrTbOiTjtSQXZW_0eVXwyawkk</recordid><startdate>20090201</startdate><enddate>20090201</enddate><creator>Lecomte-nana, G.L.</creator><creator>Lesueur, E.</creator><creator>Bonnet, J.P.</creator><creator>Lecomte, G.</creator><general>Elsevier Ltd</general><general>Elsevier B.V</general><general>Elsevier</general><scope>AAYXX</scope><scope>CITATION</scope><scope>N95</scope><scope>XI7</scope><scope>7QQ</scope><scope>7SR</scope><scope>8FD</scope><scope>FR3</scope><scope>JG9</scope><scope>KR7</scope><scope>1XC</scope><orcidid>https://orcid.org/0000-0002-4104-4128</orcidid></search><sort><creationdate>20090201</creationdate><title>Characterization of a lateritic geomaterial and its elaboration through a chemical route</title><author>Lecomte-nana, G.L. ; Lesueur, E. ; Bonnet, J.P. ; Lecomte, G.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c500t-28dd4d6ab915f6461b457bcb53bc8eae7bc37a22a21ffd20c67a253e4a6bcee43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Acid-base chemistry</topic><topic>Acid–base reaction</topic><topic>Chemical properties</topic><topic>Engineering Sciences</topic><topic>Fulvic acid</topic><topic>Geomaterial</topic><topic>Iron-binding</topic><topic>Laterite</topic><topic>Laterites</topic><topic>Lateritic clays</topic><topic>Materials</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lecomte-nana, G.L.</creatorcontrib><creatorcontrib>Lesueur, E.</creatorcontrib><creatorcontrib>Bonnet, J.P.</creatorcontrib><creatorcontrib>Lecomte, G.</creatorcontrib><collection>CrossRef</collection><collection>Gale Business: Insights</collection><collection>Business Insights: Essentials</collection><collection>Ceramic Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Hyper Article en Ligne (HAL)</collection><jtitle>Construction & building materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lecomte-nana, G.L.</au><au>Lesueur, E.</au><au>Bonnet, J.P.</au><au>Lecomte, G.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Characterization of a lateritic geomaterial and its elaboration through a chemical route</atitle><jtitle>Construction & building materials</jtitle><date>2009-02-01</date><risdate>2009</risdate><volume>23</volume><issue>2</issue><spage>1126</spage><epage>1132</epage><pages>1126-1132</pages><issn>0950-0618</issn><eissn>1879-0526</eissn><abstract>The development of a laterite-based geomaterial, mimicking naturally occurring concretions in lateritic soils, through a chemical route has been investigated in this paper. The elaboration process involves an acidic dissolution reaction of iron compounds followed by a neutralization reaction with a strong base. The first step needs a 24
h reacting time before adding the base. Afterwards, the consolidation that involves an iron-bonding of the particles, is performed at 60
°C for 18 days under water-saturated atmosphere. The products elaborated using nitric acid and calcium hydroxide exhibit the best characteristic compressive strength, namely 20
MPa and a good resistance towards water seeping and wearing. Nevertheless, the use of fulvic acid, an organic ecological acid, leads to a water-resistant geomaterial with a good characteristic compressive strength of 12
MPa, thus competitive towards usual stabilized earth and concrete building materials.</abstract><pub>Elsevier Ltd</pub><doi>10.1016/j.conbuildmat.2008.06.009</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0002-4104-4128</orcidid></addata></record> |
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| source | Elsevier ScienceDirect Journals |
| subjects | Acid-base chemistry Acid–base reaction Chemical properties Engineering Sciences Fulvic acid Geomaterial Iron-binding Laterite Laterites Lateritic clays Materials |
| title | Characterization of a lateritic geomaterial and its elaboration through a chemical route |
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